Cambridge Dictionary Definition

1. a part of a machine, or a set of parts that work together.
2. a.  a way of doing something, esp. one that is planned or part of a systsem.

Brick’s Law Definition

1. Components, elements, or parts, and the associated energy and information flows enabling a machine, process, or system to achieve its intended result within this type of logical assembly.

Author’s Definition

1. a part of a machine, or a set of parts that work together.
2. a methodology including componenents, elements, parts and the associated energy and information flows enabling a machine, process or system that has demonstrated the ability to achieve its intended result.

Note: This definition is tweaked to include only proven methodologies.

© 2016 Mike Van Schoiack